Home / 231,713.28-319,908.78-177,891.12

Finding the Fourth Proportional to 231,713.28, 319,908.78 and 177,891.12

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Solution

The fourth proportional to 231,713.28, 319,908.78 and 177,891.12 is: 245,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,713.28 : 319,908.78 = 177,891.12 : x
  2. Step 2: Convert to fraction form
    231,713.28/319,908.78 = 177,891.12/x
  3. Step 3: Cross multiply
    231,713.28x = 319,908.78 × 177,891.12
  4. Step 4: Simplify right side
    231,713.28x = 56,908,931,172.03
  5. Step 5: Solve for x
    x = 56,908,931,172.03/231,713.28
  6. Step 6: Final answer
    x = 245,600.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.